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* Respect CFLAGS everywhere when building.
* Ignore build flags then when testing the CC wrappers (could contain
incompatible flags).
* Disable LTO for runtime objects, these shouldn't contain IR.
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -423,7 +423,7 @@ afl-as: src/afl-as.c include/afl-as.h $(COMM_HDR) | test_x86
@ln -sf afl-as as
src/afl-performance.o : $(COMM_HDR) src/afl-performance.c include/hash.h
- $(CC) $(CFLAGS) $(CFLAGS_OPT) -Iinclude -c src/afl-performance.c -o src/afl-performance.o
+ $(CC) $(CFLAGS) -Iinclude -c src/afl-performance.c -o src/afl-performance.o
src/afl-common.o : $(COMM_HDR) src/afl-common.c include/common.h
$(CC) $(CFLAGS) $(CFLAGS_FLTO) -c src/afl-common.c -o src/afl-common.o
@@ -531,7 +531,7 @@ .PHONY: test_build
ifndef AFL_NO_X86
test_build: afl-cc afl-gcc afl-as afl-showmap
@echo "[*] Testing the CC wrapper afl-cc and its instrumentation output..."
- @unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_LSAN AFL_USE_ASAN AFL_USE_MSAN; ASAN_OPTIONS=detect_leaks=0 AFL_INST_RATIO=100 AFL_PATH=. ./afl-cc test-instr.c $(LDFLAGS) -o test-instr 2>&1 || (echo "Oops, afl-cc failed"; exit 1 )
+ @unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_LSAN AFL_USE_ASAN AFL_USE_MSAN; ASAN_OPTIONS=detect_leaks=0 AFL_INST_RATIO=100 AFL_PATH=. ./afl-cc test-instr.c -o test-instr 2>&1 || (echo "Oops, afl-cc failed"; exit 1 )
ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
@rm -f test-instr
--- a/GNUmakefile.gcc_plugin
+++ b/GNUmakefile.gcc_plugin
@@ -131,18 +131,18 @@ afl-common.o: ./src/afl-common.c
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@ $(LDFLAGS)
./afl-compiler-rt.o: instrumentation/afl-compiler-rt.o.c
- $(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -fPIC -c $< -o $@
+ $(CC) $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -fPIC -fno-lto -c $< -o $@
./afl-compiler-rt-32.o: instrumentation/afl-compiler-rt.o.c
@printf "[*] Building 32-bit variant of the runtime (-m32)... "
- @$(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m32 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ @$(CC) $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -m32 -fPIC -fno-lto -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
./afl-compiler-rt-64.o: instrumentation/afl-compiler-rt.o.c
@printf "[*] Building 64-bit variant of the runtime (-m64)... "
- @$(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m64 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ @$(CC) $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -m64 -fPIC -fno-lto -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
./afl-gcc-pass.so: instrumentation/afl-gcc-pass.so.cc | test_deps
- $(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@
+ $(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@ $(LDFLAGS)
ln -sf afl-cc afl-gcc-fast
ln -sf afl-cc afl-g++-fast
ln -sf afl-cc.8 afl-gcc-fast.8
--- a/GNUmakefile.llvm
+++ b/GNUmakefile.llvm
@@ -444,25 +444,25 @@ afl-llvm-dict2file.so: instrumentation/afl-llvm-dict2file.so.cc instrumentation/
.PHONY: document
document:
- $(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt.o
- @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m32 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-32.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
- @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m64 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-64.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ $(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -Wno-unused-result -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt.o
+ @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -Wno-unused-result -m32 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-32.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS) $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -Wno-unused-result -m64 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-64.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
./afl-compiler-rt.o: instrumentation/afl-compiler-rt.o.c
- $(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -fPIC -c $< -o $@
+ $(CC) $(CFLAGS) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -fPIC -fno-lto -c $< -o $@
./afl-compiler-rt-32.o: instrumentation/afl-compiler-rt.o.c
@printf "[*] Building 32-bit variant of the runtime (-m32)... "
- @$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m32 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ @$(CC) $(CFLAGS) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -m32 -fPIC -fno-lto -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
./afl-compiler-rt-64.o: instrumentation/afl-compiler-rt.o.c
@printf "[*] Building 64-bit variant of the runtime (-m64)... "
- @$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m64 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+ @$(CC) $(CFLAGS) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -m64 -fPIC -fno-lto -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
.PHONY: test_build
test_build: $(PROGS)
@echo "[*] Testing the CC wrapper and instrumentation output..."
- unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_PATH=. AFL_LLVM_LAF_ALL=1 ./afl-cc $(CFLAGS) $(CPPFLAGS) ./test-instr.c -o test-instr $(LDFLAGS)
+ unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_PATH=. AFL_LLVM_LAF_ALL=1 ./afl-cc ./test-instr.c -o test-instr
ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
@rm -f test-instr
--- a/custom_mutators/honggfuzz/Makefile
+++ b/custom_mutators/honggfuzz/Makefile
@@ -1,5 +1,6 @@
-CFLAGS = -O3 -funroll-loops -fPIC -Wl,-Bsymbolic
+CFLAGS ?= -O3
+CFLAGS += -funroll-loops -fPIC -Wl,-Bsymbolic
all: honggfuzz-mutator.so
--- a/custom_mutators/libfuzzer/Makefile
+++ b/custom_mutators/libfuzzer/Makefile
@@ -1,5 +1,5 @@
-CFLAGS = -g -O3 -funroll-loops -fPIC -fpermissive -std=c++11
-#CFLAGS = -g -O0 -fPIC -fpermissive -std=c++11
+CFLAGS ?= -g -O3
+CFLAGS += -funroll-loops -fpermissive -std=c++11 -fPIC
CXX ?= clang++
--- a/frida_mode/GNUmakefile
+++ b/frida_mode/GNUmakefile
@@ -17,7 +17,6 @@ CFLAGS+=-fPIC \
-D_GNU_SOURCE \
-D_FORTIFY_SOURCE=2 \
-g \
- -O3 \
-funroll-loops \
-ffunction-sections \
--- a/frida_mode/test/png/persistent/hook/GNUmakefile
+++ b/frida_mode/test/png/persistent/hook/GNUmakefile
@@ -5,11 +5,9 @@ BUILD_DIR:=$(PWD)build/
AFLPP_FRIDA_DRIVER_HOOK_OBJ=$(ROOT)frida_mode/build/frida_hook.so
AFLPP_QEMU_DRIVER_HOOK_OBJ=$(ROOT)frida_mode/build/qemu_hook.so
-CFLAGS+=-O3 \
- -funroll-loops \
+CFLAGS+= -funroll-loops \
-g \
- -fPIC \
- -funroll-loops \
+ -fPIC
LDFLAGS+=-shared \
--- a/utils/aflpp_driver/GNUmakefile
+++ b/utils/aflpp_driver/GNUmakefile
@@ -13,7 +13,8 @@ ifneq "" "$(LLVM_BINDIR)"
LLVM_BINDIR := $(LLVM_BINDIR)/
endif
-CFLAGS := -O3 -funroll-loops -g -fPIC
+CFLAGS ?= -O3 -funroll-loops -g
+CFLAGS += -fPIC -fno-lto
all: libAFLDriver.a libAFLQemuDriver.a aflpp_qemu_driver_hook.so
|
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